Fig 1. The Fig outlines the number of infants enrolled in the Bronchiolitis All SE-Norway study (top, n = 644) who were subsequently included in the present study (n = 358) for analyses based upon available Quality of life (QoL) and/or salivary morning cortisol at 24 months of age.

The QoL questionnaires were completed nine months after enrolment at approximately 14 months of age (QoL₁) as well as at the time of the clinical examination at 24 months of age (QoL₂).